VIC-20 Super Expander: Programming Challenge

We solve a math programming challenge with the help of a Commodore VIC-20 with a Super Expander cartridge with hi-resolution graphics BASIC commands. Is it possible to create this display without using any IF/THENs? Links: Dataram’s Challenge: https://twitter.com/Dataram_57/status/1137268195419676673 Super Expander manual: https://archive.org/details/Super_Expander_1982_Commodore_a2 Index: 0:00 The Dataram Challenge 0:56 Super Expander Cartridge 1:47 Solving the Challenge *with* an IF statement, which really isn’t solving it at all 8:45 Solving it properly - with math 16:10 The implementation 16:45 Playing with Time 19:22 Blooper reel 20:03 Weird bonus thing